171987480

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:654

約数の個数: 192

約数和(自身を含む): 644716800

約数和(自身を除く): 472729320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 139, 140, 168, 180, 210, 252, 278, 280, 315, 360, 417, 420, 491, 504, 556, 630, 695, 834, 840, 973, 982, 1112, 1251, 1260, 1390, 1473, 1668, 1946, 1964, 2085, 2455, 2502, 2520, 2780, 2919, 2946, 3336, 3437, 3892, 3928, 4170, 4419, 4865, 4910, 5004, 5560, 5838, 5892, 6255, 6874, 7365, 7784, 8340, 8757, 8838, 9730, 9820, 10008, 10311, 11676, 11784, 12510, 13748, 14595, 14730, 16680, 17185, 17514, 17676, 19460, 19640, 20622, 22095, 23352, 25020, 27496, 29190, 29460, 30933, 34370, 35028, 35352, 38920, 41244, 43785, 44190, 50040, 51555, 58380, 58920, 61866, 68249, 68740, 70056, 82488, 87570, 88380, 103110, 116760, 123732, 136498, 137480, 154665, 175140, 176760, 204747, 206220, 247464, 272996, 309330, 341245, 350280, 409494, 412440, 477743, 545992, 614241, 618660, 682490, 818988, 955486, 1023735, 1228482, 1237320, 1364980, 1433229, 1637976, 1910972, 2047470, 2388715, 2456964, 2729960, 2866458, 3071205, 3821944, 4094940, 4299687, 4777430, 4913928, 5732916, 6142410, 7166145, 8189880, 8599374, 9554860, 11465832, 12284820, 14332290, 17198748, 19109720, 21498435, 24569640, 28664580, 34397496, 42996870, 57329160, 85993740, 171987480]

約数ペア:

[(1, 171987480), (2, 85993740), (3, 57329160), (4, 42996870), (5, 34397496), (6, 28664580), (7, 24569640), (8, 21498435), (9, 19109720), (10, 17198748), (12, 14332290), (14, 12284820), (15, 11465832), (18, 9554860), (20, 8599374), (21, 8189880), (24, 7166145), (28, 6142410), (30, 5732916), (35, 4913928), (36, 4777430), (40, 4299687), (42, 4094940), (45, 3821944), (56, 3071205), (60, 2866458), (63, 2729960), (70, 2456964), (72, 2388715), (84, 2047470), (90, 1910972), (105, 1637976), (120, 1433229), (126, 1364980), (139, 1237320), (140, 1228482), (168, 1023735), (180, 955486), (210, 818988), (252, 682490), (278, 618660), (280, 614241), (315, 545992), (360, 477743), (417, 412440), (420, 409494), (491, 350280), (504, 341245), (556, 309330), (630, 272996), (695, 247464), (834, 206220), (840, 204747), (973, 176760), (982, 175140), (1112, 154665), (1251, 137480), (1260, 136498), (1390, 123732), (1473, 116760), (1668, 103110), (1946, 88380), (1964, 87570), (2085, 82488), (2455, 70056), (2502, 68740), (2520, 68249), (2780, 61866), (2919, 58920), (2946, 58380), (3336, 51555), (3437, 50040), (3892, 44190), (3928, 43785), (4170, 41244), (4419, 38920), (4865, 35352), (4910, 35028), (5004, 34370), (5560, 30933), (5838, 29460), (5892, 29190), (6255, 27496), (6874, 25020), (7365, 23352), (7784, 22095), (8340, 20622), (8757, 19640), (8838, 19460), (9730, 17676), (9820, 17514), (10008, 17185), (10311, 16680), (11676, 14730), (11784, 14595), (12510, 13748)]